@platformatic/kafka
Version:
Modern and performant client for Apache Kafka
54 lines (53 loc) • 1.96 kB
JavaScript
import { ResponseError } from "../../errors.js";
import { Writer } from "../../protocol/writer.js";
import { createAPI } from "../definitions.js";
/*
CreatePartitions Request (Version: 1) => [topics] timeout_ms validate_only TAG_BUFFER
topics => name count [assignments] TAG_BUFFER
name => STRING
count => INT32
assignments => [broker_ids] TAG_BUFFER
broker_ids => INT32
timeout_ms => INT32
validate_only => BOOLEAN
*/
export function createRequest(topics, timeoutMs, validateOnly) {
return Writer.create()
.appendArray(topics, (w, t) => {
w.appendString(t.name, false)
.appendInt32(t.count)
.appendArray(t.assignments, (w, a) => w.appendArray(a.brokerIds, (w, b) => w.appendInt32(b), false, false), false, false);
}, false, false)
.appendInt32(timeoutMs)
.appendBoolean(validateOnly);
}
/*
CreatePartitions Response (Version: 1) => throttle_time_ms [results] TAG_BUFFER
throttle_time_ms => INT32
results => name error_code error_message TAG_BUFFER
name => STRING
error_code => INT16
error_message => NULLABLE_STRING
*/
export function parseResponse(_correlationId, apiKey, apiVersion, reader) {
const errors = [];
const response = {
throttleTimeMs: reader.readInt32(),
results: reader.readArray((r, i) => {
const result = {
name: r.readString(false),
errorCode: r.readInt16(),
errorMessage: r.readNullableString(false)
};
if (result.errorCode !== 0) {
errors.push([`/results/${i}`, result.errorCode]);
}
return result;
}, false, false)
};
if (errors.length) {
throw new ResponseError(apiKey, apiVersion, Object.fromEntries(errors), response);
}
return response;
}
export const api = createAPI(37, 1, createRequest, parseResponse, false, false);